Metric IEC Motors
20MFM-3-25-18
25HP, 4P, 3Ph, 230/460V 60Hz, 230/380/400 50Hz , 180M, TEFC, F3, Foot Mounted, Metric IEC Motor
Elektrim High Efficiency Metric IEC electric motor, TEFC IP55 1800/1500RPM cast iron foot mounted (B3) Design H, oversized ball bearings, VPI for best electrical peformance, rated 60/50Hz equipped with 12 separate leads.
Part Number
20MFM-3-25-18
Product Family
Metric IEC Motors
Series
20M Series
Horsepower
25
Phase
3
Synchronous Speed
1800
Nominal Speed
1775
Frequency
60
Voltage
230/460V 60Hz, 230/380/400 50Hz
Frame
180M
Frame Material
Flange
-
Flange Type
-
Feet
YES
Removable Feet
NO
Rotatable Feet
NO
Double Drilled Feet
NO
Winding Connection
Double Delta / Delta
Full Load Torque (lb-ft)
73.4
Lock Rotor Torque (%)
320
Break Down Torque (%)
400
Full Load Amps
59.2 A @ 230V, 29.6 A @ 460V, 23.7 A @ 575V
LRA (%)
870
Lock Rotor Amps
Efficiency @ 100% Load
92.4
Power Factor @ 100% Load
85
kW @ 50 Hz
18.5
Synchronous Speed @ 50 Hz
1500
Nominal Speed @ 50 Hz
1470
Full Load Torque (lb-ft) @ 50 Hz
121.2
Lock Rotor Torque (%) @ 50 Hz
280
Break Down Torque (%) @ 50 Hz
300
Full Load Amps @ 50 Hz
59.2 A @ 230V, 35.8 A @ 380V, 34 A @ 400V
LRA (%) @ 50 Hz
870
Efficiency @ 100% Load 50 Hz
91.2
Power Factor @ 100% Load 50 Hz
86
Design Code
H
Duty Rating
Code Letter
H
Service Factor @ 60 Hz
1.2
Service Factor @ 50 Hz
1
Insulation Class
F
Inverter Rated
Bearings (DE / ODE)
6311 2Z (DE), 63112Z (ODE)
Impregnation Method
Vacuum Pressure Impregnation (VPI)
PTC Thermistors
Option
Space Heater
Option
Junction Box Material
Aluminum
Fan Guard Material
Rolled Steel
Shaft Seal
Mounting Position
F3
Degree of Protection
IP55
Enclosure
TEFC
Finish
RAL5010
Net Weight (lbs)
373
Ship Weight (lbs)
395
Warranty Period
3-Years